Paenibacillus is a genus originallt included within the genus Bacillus and than reclassified as a seperate genus in 1993.
The name reflects: Latin paene means almost, so paenibacilli are literally "almost bacilli".
Taxonomy
Family: Bacillaceae
Natural habitats
Ubiquitous in nature
Clinical significance
Undetermined
Long, slender Gram positive rods,
0.5-1.0 x 3.0-5.0 µm
gram are often negatively stained.
Spore shape: ellipsoidal
Spore position: subterminal / terminal
Sporangia swelling: positive
Facultative anaerobic
BA: colonies are grayish-white, translucent, smooth and flat.
BBAØ: growth
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition